🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.6 AU - 0.64 AU

Year: 176 Days

Day: 47.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.51 AU - 2.09 AU

Year: 869 Days

Day: 42.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.41 AU - 2.61 AU

Year: 1431 Days

Day: 34.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,950,560 km

• M1: 234,270 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.22 AU - 4.28 AU

Year: 2613 Days

Day: 43.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,950,560 km

• M1: 2,285,407 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.38 AU - 4.26 AU

Year: 2687 Days

Day: 28.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.95 AU - 5.73 AU

Year: 3832 Days

Day: 20.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 11.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.41 AU - 14.77 AU

Year: 15129 Days

Day: 5.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 110,950,560 km

• M1: 141,819 km (0.072 R)
• M2: 564,134 km (0.06 R)
• M3: 1,202,767 km (0.1 R)
• M4: 2,500,229 km (0.099 R)
• M5: 3,638,220 km (0.077 R)
• M6: 4,350,904 km (0.087 R)
• M7: 4,827,523 km (0.12 R)
• M8: 11,439,151 km (0.091 R)
• M9: 11,969,326 km (0.081 R)
• M10: 13,425,362 km (0.08 R)
• M11: 14,808,693 km (0.11 R)
• M12: 15,439,099 km (0.061 R)
• M13: 22,349,922 km (0.102 R)
• M14: 27,733,351 km (0.062 R)
• M15: 28,691,226 km (0.103 R)
• M16: 29,276,453 km (0.092 R)
• M17: 37,395,728 km (0.077 R)
• M18: 38,211,485 km (0.093 R)
• M19: 39,158,290 km (0.079 R)
• M20: 40,485,522 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.4

Radius: 6.1

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 11.04 AU - 17.52 AU

Year: 19421 Days

Day: 22.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 110,950,560 km

• M1: 75,996 km (0.086 R)
• M2: 328,068 km (0.107 R)
• M3: 553,811 km (0.111 R)
• M4: 749,485 km (0.095 R)
• M5: 1,084,884 km (0.118 R)
• M6: 3,401,407 km (0.079 R)
• M7: 3,813,250 km (0.096 R)
• M8: 4,016,553 km (0.066 R)
• M9: 4,971,287 km (0.115 R)
• M10: 9,451,743 km (0.061 R)
• M11: 10,320,009 km (0.105 R)
• M12: 12,214,217 km (0.087 R)
• M13: 14,051,728 km (0.111 R)
• M14: 17,220,510 km (0.052 R)
• M15: 17,617,393 km (0.101 R)
• M16: 50,405,656 km (0.071 R)
• M17: 55,752,134 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.3

Radius: 7.2

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 18.07 AU - 20.63 AU

Year: 30633 Days

Day: 17 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 110,950,560 km

• M1: 89,609 km (0.115 R)
• M2: 861,983 km (0.101 R)
• M3: 1,884,784 km (0.111 R)
• M4: 2,370,079 km (0.118 R)
• M5: 2,602,255 km (0.088 R)
• M6: 3,456,608 km (0.115 R)
• M7: 4,183,205 km (0.043 R)
• M8: 4,641,872 km (0.066 R)
• M9: 4,883,622 km (0.105 R)
• M10: 5,305,040 km (0.081 R)
• M11: 6,172,707 km (0.086 R)
• M12: 6,716,496 km (0.075 R)
• M13: 7,454,013 km (0.068 R)
• M14: 7,730,171 km (0.067 R)
• M15: 13,212,185 km (0.076 R)
• M16: 16,040,033 km (0.06 R)
• M17: 17,936,934 km (0.083 R)
• M18: 20,084,711 km (0.078 R)
• M19: 27,809,945 km (0.11 R)
• M20: 29,976,122 km (0.1 R)
• M21: 31,242,767 km (0.068 R)
• M22: 31,528,948 km (0.115 R)
• M23: 33,283,432 km (0.032 R)
• M24: 44,108,633 km (0.105 R)
• M25: 55,792,825 km (0.115 R)
• M26: 59,224,151 km (0.075 R)
• M27: 62,113,634 km (0.106 R)
• M28: 69,624,046 km (0.066 R)
• M29: 82,534,342 km (0.038 R)
• M30: 98,479,081 km (0.112 R)
• M31: 99,403,447 km (0.099 R)
• M32: 107,332,283 km (0.115 R)
• M33: 110,286,692 km (0.115 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 19,057 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit